7x-7(5x+9)=133

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Solution for 7x-7(5x+9)=133 equation:


Simplifying
7x + -7(5x + 9) = 133

Reorder the terms:
7x + -7(9 + 5x) = 133
7x + (9 * -7 + 5x * -7) = 133
7x + (-63 + -35x) = 133

Reorder the terms:
-63 + 7x + -35x = 133

Combine like terms: 7x + -35x = -28x
-63 + -28x = 133

Solving
-63 + -28x = 133

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '63' to each side of the equation.
-63 + 63 + -28x = 133 + 63

Combine like terms: -63 + 63 = 0
0 + -28x = 133 + 63
-28x = 133 + 63

Combine like terms: 133 + 63 = 196
-28x = 196

Divide each side by '-28'.
x = -7

Simplifying
x = -7

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